2013243243431 has 16 divisors (see below), whose sum is σ = 2467031408640. Its totient is φ = 1603570400640.

The previous prime is 2013243243419. The next prime is 2013243243493. The reversal of 2013243243431 is 1343423423102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013243243431 is a prime.

It is a super-2 number, since 2×2013243243431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013243243031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107066615 + ... + 107085416.

It is an arithmetic number, because the mean of its divisors is an integer number (154189463040).

Almost surely, 2^{2013243243431} is an apocalyptic number.

2013243243431 is a deficient number, since it is larger than the sum of its proper divisors (453788165209).

2013243243431 is a wasteful number, since it uses less digits than its factorization.

2013243243431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214152134.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 2013243243431 its reverse (1343423423102), we get a palindrome (3356666666533).

The spelling of 2013243243431 in words is "two trillion, thirteen billion, two hundred forty-three million, two hundred forty-three thousand, four hundred thirty-one".